Unlock the following characters by performing the corresponding tasks:

CHARACTER - HOW TO UNLOCK
Darius - Complete the game in the Branshaldo Empire Faction.
Dark Darius - Complete the game in the Dark Jester Faction.
Gratos and Dio - Complete their Sub-events and join their family.
Kise and Kiara - Complete their Sub-events and join her in her journey.
Paul - Complete all his Sub-events and join him in his journey.
Veda - Complete the game in the Aura Republic Faction.
Toren, Fiona, Yuri, Cynthia, Gaston, and Berkut - Complete the True Ending.

Unlock the following weapons by performing the corresponding tasks:

WEAPON - HOW TO UNLOCK
Toren's God Hand - Complete the game in the Toren Militia Faction.
Fiona's Miracle Staff - Complete Fiona's Secret (Sub-event).
Cynthia's Oath Rod - Complete Maid for Waiting... (Sub-event).

Complete every Factions story (Toren Militia, Aura Republic, and Branshaldo Empire) to unlock the True Ending.

Unlock the following sub-events by performing the corresponding tasks:

SUB-EVENT - HOW TO UNLOCK
Kaka's Sub-events - Complete the game.
Kise and Kiara Sub-events - Complete the game twice and play through a third time.
Paul's Sub-events - Complete the game.
Tersa's Sub-event - Complete the game.
The Gratos Clan Sub-events - Complete the game twice and play through a third time.